1. The unplumbed, salt, estranging sea.

2. Love's pain sang round my life like the unplumbed sea, and love's joy sang like birds in its flowering groves.

3. Love's pain sang round my life like the unplumbed sea.

4. Seventy years after the discovery that beryllium dust causes disease, the depth of this epidemic is unplumbed, probably involving more than a million exposed workers.

5. Others try to make search deeper, by looking into the net's unplumbed databases — sometimes called the Dark Web. Try DeepDyve.